Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

Diesel fuel goes bad with time, but additives can make it last longer and improve performance. Photo credit: David Traver Adolphus / AutoGuide.com. If your diesel car, truck, or even farm equipment ...

When it's time to buy a new vehicle, you may find yourself at a crossroads wondering whether to go with a standard gasoline engine or a spiffy diesel variant. Diesel engines are known far and wide for ...

When it comes to towing, hauling, and long-term service, few cars or powertrains do it as well as diesel-powered pickup trucks. With 2026 looming large ahead of us, the options are not as broad as ...